/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMController.h
Inserts an array element pin into an array pin. This causes a PinArraySizeChanged modified event.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=RigVMController) [FString](API\Runtime\Core\Containers\FString) InsertArrayPin ( const [FString](API\Runtime\Core\Containers\FString) & InArrayPinPath, int32 InIndex, const [FString](API\Runtime\Core\Containers\FString) & InDefaultValue, bool bSetupUndoRedo, bool bPrintPythonCommand )